Confirmed for 1.7.2. This can be tested by flying close to the ground on a superflat map, and breaking/placing blocks at 1 second intervals whilst flying normally and whilst "sprint" flying.
Also, it appears you can also achieve this by sprinting whilst not flying (both methods of sprinting work), then double jumping whilst still sprinting.
I'm getting this bug in 1.7.2, but some things do work:
You can add, set and remove from a score of an offline, nonexistent, untracked (not on the scoreboard) players as long as you explicitly mention their name like such:
Confirmed for 1.7.2. This can be tested by flying close to the ground on a superflat map, and breaking/placing blocks at 1 second intervals whilst flying normally and whilst "sprint" flying.
Also, it appears you can also achieve this by sprinting whilst not flying (both methods of sprinting work), then double jumping whilst still sprinting.
I'm getting this bug in 1.7.2, but some things do work:
You can add, set and remove from a score of an offline, nonexistent, untracked (not on the scoreboard) players as long as you explicitly mention their name like such:
Unfortunately, selectors (selecting players using @) don't work, all of the following do not work for offline players:
and any other format that makes use of @.
To recap: